The digitized collections cover a variety of topics for researchers interested in the history of the western united states, with collections covering a variety of topics such as Buffalo Bill and his Wild West show, records of guns and ammunition companies, historical Native American photographs, works of Wyoming photographers, and much more.

MWDL will continue to add more collections over the coming weeks, but collections from the McCracken Research Library currently available via MWDL are:

MS 007 George Armstrong Custer Collection - This collection contains various documents concerning the Battle of the Little Big Horn. Most prominent are two original reports of General Alfred H. Terry to General George Crook, the first official reports of the defeat of Custer at the Little Big Horn battlefield.

MS 017 Charles Rapp Collection - This collection consists of the 15 letters from Charles Rapp to Eva Shepard written from various locations in Wyoming Territory. Mr. Rapp, of New York, discusses gold mining, women homesteaders on the frontier, Mormon immigration, Shoshone and Sioux Indians, and a description of a visit to the Little Big Horn battlefield three days after the battle.

MS 034 Schuyler, Hartley, and Graham - Among the items in the collection are letters and shipping orders from Schuyler, Hartley and Graham to H. K. White, correspondence from individuals and companies offering goods and services, business records such as bills, receipts, calling cards, etc., bound memo books, ledger books, inventory books, and a large collection of advertisement materials.